New media has become an indispensable and important tool in human life communication, information collection, and opinion dissemination, and has become an important way of information transmission. In recent years, as a new way of information dissemination, new media has brought a huge impact on our lives. New media is the most important and popular communication medium in the new century, and the communication mode promotes the transformation of the whole society. With the continuous development of information technology, the reform of education informatization continues to advance. People retrieve different information. Because everyone has different hobbies, in order to allow the majority of consumer groups to buy high-quality and inexpensive goods faster, in the paper. By comparing traditional media with new media in information propagation, the differences between them confirms that it is necessary to concern user preference on information push. Combining traditional information push model, new information push model is established in individual preferences in accord with the development trend of information service. The relationship among information classification, preference confirmation and information screening in the process of information push is stated, and information screening mode is designed using group decision-making optimization method and principal component comprehensive evaluation method for reference.